917490620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{58889}}^1$

素因数の和:58958

約数の個数: 48

約数和(自身を含む): 2077639200

約数和(自身を除く): 1160148580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 58889, 117778, 235556, 294445, 588890, 1118891, 1177780, 2237782, 2414449, 4475564, 4828898, 5594455, 9657796, 11188910, 12072245, 22377820, 24144490, 45874531, 48288980, 91749062, 183498124, 229372655, 458745310, 917490620]

約数ペア:

[(1, 917490620), (2, 458745310), (4, 229372655), (5, 183498124), (10, 91749062), (19, 48288980), (20, 45874531), (38, 24144490), (41, 22377820), (76, 12072245), (82, 11188910), (95, 9657796), (164, 5594455), (190, 4828898), (205, 4475564), (380, 2414449), (410, 2237782), (779, 1177780), (820, 1118891), (1558, 588890), (3116, 294445), (3895, 235556), (7790, 117778), (15580, 58889)]